What do you think about a swimming pool? There are three types of inground swimming pools. These are concrete, fiberglass and vinyl liners.

Gunite is a term you have probably heard at least once if you consider a concrete pool. Although we have a lot of experience in the pool industry, we can sometimes assume our knowledge and terminology are sufficient. However, we also know that there are many things you need to know about inground pools to make an informed decision for your backyard oasis.

Are you interested in learning more about the gunite pool? This is the place for you.

Let’s begin with the most obvious question: What is Gunite?

What is Gunite? A brief history of concrete

Concrete is made from Gunite.

To be more precise, “gunite” refers to how concrete is transformed into a large lump of thick goo and a beautiful and functional swimming pool.

Concrete can be difficult to work with. Concrete is a dense industrial material that dries quickly and holds its shape for a long time.

In the past, concrete construction has used molds or removable forms to make shaped concrete. Workers would also use concrete to bond other materials or strengthen their exteriors.

Concrete has been used for thousands upon thousands of years. Many concrete structures still stand today. Roman architecture is the most well-known example of a durable concrete structure from the ancient world. However, concrete-like materials have been used in building materials since approximately 6,500 BC.

What is the gunite process?

Carl Akeley, a taxidermist who was not involved in animal carcasses but did some industrial construction, invented the gunite process in 1907. He used it to fix Chicago’s Field Columbian Museum.

Gunite makes dry concrete mix by using pressurized air. The dry mixture is mixed with water and pushed through a tube or hose. This concrete mix then reaches the surface it is pointed at using a nozzle.

Gunite is a thin layer of concrete blasted onto any surface with high pressure and speed.

High pressure combined with the exact last-second mix of dry concrete and water must be done correctly. Otherwise, the final mixture could become too dry or wet to adhere to its surface. Gunite construction depends on the nozzleman who controls the flow of dry concrete mix at the nozzle.

What is Gunite made from?

As mentioned, Gunite is a method of applying concrete to different surfaces.

Concrete hasn’t changed much from Roman times. It is usually a mixture of cement, sand and some type of aggregate. These are little pieces of hard material slightly larger than sand-like crushed stone or gravel mixed with water.

There are many types of cement. However, most cement is made from lime or silicate powder. China is the largest producer of cement in the world. Cement is the second most-used manufactured substance in the entire world after water.

Water and cement are, in many ways, the building blocks of modern society. Concrete is a more resilient and complex product than water and cement, making them more efficient together.

What is a gunite swimming pool?

Concrete pools made from concrete and grout have been around since the 1940s. After World War II, they became popular backyard features as millions of soldiers returned to their homes and sought out more comforts for their properties.

Concrete pools have existed for centuries. Roman baths were made of concrete.

Gunite made it possible for American and other local contractors to create attractive, customizable pools in their backyards.

How is Gunite made into pools?

A gunite pool is just like any other in-ground pool. It all starts with digging or excavation. Heavy machinery will be brought into your yard to dig the hole to create the shape and depth you desire.

Once the hole is prepared, workers will install plumbing and reinforce the walls and floor with a steel rebar. This creates a strong cage on which the pool builder can spray Gunite.

Gunite offers some significant advantages over shotcrete. (Read more about the similarities and differences between the two). One of these is the ability to apply Gunite in stages rather than one-and-done.

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